feat: improve build tools, expose types

build.config.ts

@@ -0,0 +1,11 @@
+import { defineBuildConfig } from 'unbuild'
+
+export default defineBuildConfig({
+  entries: [
+    'src/index.ts',
+  ],
+  declaration: true,
+  rollup: {
+    emitCJS: true
+  }
+})